<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>Bootstrap 实例 - 如何使用字形图标（Glyphicons）</title>
	<link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">  
	<script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
	<script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
    <p>
        <button type="button" class="btn btn-default">
            <span class="glyphicon glyphicon-sort-by-attributes"></span>
        </button>
        <button type="button" class="btn btn-default">
            <span class="glyphicon glyphicon-sort-by-attributes-alt"> </span>
        </button>
        <button type="button" class="btn btn-default">
            <span class="glyphicon glyphicon-sort-by-order"></span>

        </button>
        <button type="button" class="btn btn-default">
            <span class="glyphicon glyphicon-sort-by-order-alt"></span>
        </button>
    </p>

        <button type="button" class="btn btn-default btn-lg">
            <span class="glyphicon glyphicon-user"></span>
            User
        </button>
        <button type="button" class="btn btn-default btn-sm">
            <span class="glyphicon glyphicon-user"></span>
                user
        </button>
        <button type="button" class="btn btn-default btn-xs">
            <span class="glyphicon glyphicon-user"></span>
            User
        </button>
</body>
</html>